V0.38.3 extension config sections (#236)

Co-authored-by: gobha <jasafpro@gmail.com>
Co-committed-by: gobha <jasafpro@gmail.com>

server/pages/templates/surfaces/admin.html

@@ -21,6 +21,7 @@
 {{/* Inject section name for Preact routing */}}
 <script nonce="{{.CSPNonce}}">
     window.__SECTION__ = '{{.Section}}';
+    window.__CONFIG_SECTIONS__ = {{.Data.ConfigSections | toJSON}};
 </script>
 
 {{/* Vendor: Preact + htm → globals, then SDK boot, then admin surface */}}

server/pages/templates/surfaces/settings.html

@@ -18,6 +18,7 @@
 {{/* Inject section name for Preact routing */}}
 <script nonce="{{.CSPNonce}}">
     window.__SECTION__ = '{{.Section}}';
+    window.__CONFIG_SECTIONS__ = {{.Data.ConfigSections | toJSON}};
 </script>
 
 {{/* Bridge section scripts removed in v0.37.7 — all sections are native Preact */}}

server/pages/templates/surfaces/team-admin.html

@@ -15,6 +15,7 @@
 {{define "scripts-team-admin"}}
 <script nonce="{{.CSPNonce}}">
     window.__SECTION__ = '{{.Section}}';
+    window.__CONFIG_SECTIONS__ = {{.Data.ConfigSections | toJSON}};
 </script>
 
 <script type="module" nonce="{{.CSPNonce}}">